Omicron CIBANO 500 PTM - Page 277

OMICRON 277
In-service diagnostic methods
5. Connect CIBANO 500 to the circuit breaker for all phases according to the wiring diagram displayed
in Primary Test Manager and as shown by the following figure.
Figure 18-3: Connecting CIBANO 500 to the circuit breaker for the First Trip test
Station supply
Circuit breaker closed
Spring charged
Trip
Close
CIBANO 500
Trip current
Trigger
Mains current
Trip
coil
Main contacts
Close
coil
Bus bar